package com.example.takeaway.common;


import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;

/**
 * 全局异常处理
 */


@ControllerAdvice(annotations = {RestController.class, Controller.class})
@ResponseBody
@Slf4j
public class GlobExceptionHandler {

    /**
     * 继续异常处理方法
     * @return
     */
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){

        log.error(ex.getMessage());

        if(ex.getMessage().contains("Duplicate entry")){
            String[] split = ex.getMessage().split(" ");
            String msg = split[2] + "已经存在";
            return R.error(msg);
        }


        return R.error("失败");
    }


    /**
     * 处理自定义异常   删除 分类 关联的菜品
     */

    @ExceptionHandler(CustomException.class)
    public R<String> exceptionHandler(CustomException ex){

        log.info(ex.getMessage());

        return R.error(ex.getMessage());


    }


}
